Finding the Fourth Proportional to 320,717.19, 480,743.64 and 263,960.97
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Solution
The fourth proportional to 320,717.19, 480,743.64 and 263,960.97 is: 395,668.09
Step by Step Solution
- Step 1: Write the proportion equation
320,717.19 : 480,743.64 = 263,960.97 : x - Step 2: Convert to fraction form
320,717.19/480,743.64 = 263,960.97/x - Step 3: Cross multiply
320,717.19x = 480,743.64 × 263,960.97 - Step 4: Simplify right side
320,717.19x = 126,897,557,535.73 - Step 5: Solve for x
x = 126,897,557,535.73/320,717.19 - Step 6: Final answer
x = 395,668.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.